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<p>[QUOTE=&quot;-jeffB, post: 2505006, member: 27832&quot;]If I were publishing such a book, I&#039;d definitely get access to a microgram scale (and a technician capable of using it properly; <i>I</i> certainly don&#039;t have the skill). Sartorius makes one with 10 microgram readability at up to 60g capacity; it&#039;ll set you back about $5K. A balance that weighs to 1 microgram (31g capacity, not <i>quite</i> enough to weigh a one-troy-ounce round) is closer to $20K. They make balances that read down to 0.1 microgram, but their capacity is only around 2 grams; you&#039;d be stuck studying half-dimes or trimes. But if you can afford the $30K for such a balance, perhaps you can afford to buy some MS half-dimes for experimentation.</p><p><br /></p><p><a href="http://scaleman.com/balances/micro-balances.html?limit=32" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://scaleman.com/balances/micro-balances.html?limit=32" rel="nofollow">Here&#039;s a link to the catalog page I was looking at for these figures.</a>[/QUOTE]</p><p><br /></p>

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